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Direct linkJohn Hollander; John Sabatini; Art Graesser – Grantee Submission, 2022
AutoTutor-ARC (adult reading comprehension) is an intelligent tutoring system that uses conversational agents to help adult learners improve their comprehension skills. However, in such a system, not all lessons and items optimally serve the same purposes. In this paper, we describe a method for classifying items that are "instructive,…
Descriptors: Intelligent Tutoring Systems, Reading Skills, Psychometrics, Reading Comprehension
Liang Zhang; Jionghao Lin; John Sabatini; Conrad Borchers; Daniel Weitekamp; Meng Cao; John Hollander; Xiangen Hu; Arthur C. Graesser – IEEE Transactions on Learning Technologies, 2025
Learning performance data, such as correct or incorrect answers and problem-solving attempts in intelligent tutoring systems (ITSs), facilitate the assessment of knowledge mastery and the delivery of effective instructions. However, these data tend to be highly sparse (80%90% missing observations) in most real-world applications. This data…
Descriptors: Artificial Intelligence, Academic Achievement, Data, Evaluation Methods
John Hollander; John Sabatini; Art Graesser; Daphne Greenberg; Tenaha O'Reilly; Jan Frijters – Grantee Submission, 2023
Adult literacy learners are characterized by their diversity, both in terms of educational histories and cognitive skill sets. Accounting for the specific strengths and weaknesses of each learner is vital to the assessment of literacy gains and optimization of educational systems. We examined pre- and post-difference scores on a component reading…
Descriptors: Adult Literacy, Adult Education, Adult Students, Student Characteristics
John Hollander; John Sabatini; Art Graesser; Daphne Greenberg; Tenaha O'Reilly; Jan Frijters – Discourse Processes: A Multidisciplinary Journal, 2023
Adult literacy learners are characterized by their diversity, both in terms of educational histories and cognitive skill sets. Accounting for the specific strengths and weaknesses of each learner is vital to the assessment of literacy gains and optimization of educational systems. We examined pre- and post-difference scores on a component reading…
Descriptors: Adult Literacy, Adult Education, Adult Students, Student Characteristics
